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1149488885 = 51912099883
BaseRepresentation
bin100010010000011…
…1100111011110101
32222002222002022102
41010200330323311
54323232121020
6310021311445
740325331356
oct10440747365
92862862272
101149488885
1153a947016
12280b65585
131541ba54c
14ac941d2d
156adae475
hex4483cef5

1149488885 has 8 divisors (see below), whose sum is σ = 1451986080. Its totient is φ = 871191504.

The previous prime is 1149488849. The next prime is 1149488891. The reversal of 1149488885 is 5888849411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1149488885 - 212 = 1149484789 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1149488885.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6049847 + ... + 6050036.

It is an arithmetic number, because the mean of its divisors is an integer number (181498260).

Almost surely, 21149488885 is an apocalyptic number.

It is an amenable number.

1149488885 is a deficient number, since it is larger than the sum of its proper divisors (302497195).

1149488885 is a wasteful number, since it uses less digits than its factorization.

1149488885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12099907.

The product of its digits is 2949120, while the sum is 56.

The square root of 1149488885 is about 33904.1130985608. The cubic root of 1149488885 is about 1047.5343157230.

The spelling of 1149488885 in words is "one billion, one hundred forty-nine million, four hundred eighty-eight thousand, eight hundred eighty-five".

Divisors: 1 5 19 95 12099883 60499415 229897777 1149488885